diff --git a/scripts/upgrade b/scripts/upgrade
index f5e4155..73650a3 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -11,8 +11,8 @@ source /usr/share/yunohost/helpers
 
 upgrade_type=$(ynh_check_app_version_changed)
 
-if [ $(ynh_compare_current_package_version --comparison le --version '14.10.8~ynh1') -eq 0 ]; then
-    ynh_die --mesage='Upgrade from this version is not suppoted. Please backup and restore manually the data after a clean new install'
+if ynh_compare_current_package_version --comparison le --version '14.10.8~ynh1'; then
+    ynh_die --mesage='Upgrade from this version is not supported. Please backup and restore manually the data after a clean new install'
 fi
 
 #=================================================